Finite Group Databasebeta
Cayley diagram

C3⋊(C3⋊AGL(1,𝔽7)) #67398

order378
isoclinismisoclinic class of C3⋊(C3⋊AGL(1,𝔽7))
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productC3⋊(C3⋊AGL(1,𝔽7))
unambiguous semidirect productΓL(1,𝔽8)⋊(C3⋊D3)

Splittings

Fitting, socle, derivedC32×C7 ⋊ C2×C3
HallC32×ΓL(1,𝔽8) ⋊ C2
SylowC7 ⋊ C3×C3⋊D3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC32×C7C2×C3
LCSG ▷ C32×C7
UCSC1

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 63

A minimal faithful permutation representation — 3 generators on 13 points:

(2,3)(5,6)(8,11,12,9,10,13);(4,5,6)(7,8,10,13,12,11,9);(1,2,3)

Polycyclic presentation:

2,3^3,7|c^a=c^2,d^a=d^2,e^a=e^6,e^b=e^2

Conjugacy classes & character table

27 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3⋊D3×AGL(1,𝔽7), D3×C3⋊AGL(1,𝔽7), C2×C3⋊(C3⋊AGL(1,𝔽7)), …
maximal normal subgroup ofC3⋊D3×AGL(1,𝔽7), D3×C3⋊AGL(1,𝔽7), C2×C3⋊(C3⋊AGL(1,𝔽7)), …
maximal quotient ofC3⋊(C3⋊(ΓL(1,𝔽8)⋊C4)), C2×C3⋊(C3⋊AGL(1,𝔽7)), C3⋊(ΓL(1,𝔽8)⋊D9), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(378, 51);